Photos: VP candidates square off in Kentucky
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Credit: Getty Images
DANVILLE, KY - OCTOBER 11: Janna Ryan, wife of Paul Ryan, waves to the crowd prior to the vice presidential debate at Centre College October 11, 2012 in Danville, Kentucky. This is the second of four debates during the presidential election season and the only debate between the vice presidential candidates before the closely-contested election November 6. (Photo by Chip Somodevilla/Getty Images)
